Choose from our selection of grade 9 bolts, including over 70 products in a wide range of styles and sizes. Same and Next Day Delivery.

Online shopping for Industrial & Scientific from a great selection of Hex Bolts, Carriage Bolts, Eyebolts, Expansion Bolts, U-Bolts, Square Head Bolts & more at everyday low prices.

These charts helps to identify the grades of bolts using the identification marks on the bolt's head along with the strength and hardness of common grade bolts.

Grade 9 Hex Head Bolts. L9 Zinc yellow plated. Made in the USA. 180,000 psi tensile strength.

The Grade 9 Bolting system develops the highest clamp force available in a standard bolt/nut assembly and it is frequently referred to by one of the folowing trade names: L9, PFC9, or F911.

May 26, 2025 · What’s the difference between Grade 8 and Grade 9 bolts? Grade 9 bolts are distinguished from Grade 8 bolts by their higher tensile and yield strengths, making them …

Explore L9 bolts and fasteners at RC Fasteners, including high-tensile-strength bolts, nuts, and washers. Perfect for automotive, aerospace, and construction.

Nov 14, 2025 · Complete guide to bolt grades: Grade 5, Grade 8, and Grade 9 bolts explained. Learn tensile strength, markings, applications, and how to choose the right grade for your project.

HEX CAP SCREWS GRADE 9 ZINC YELLOW PLATED. IF A PART IS NOT LISTED PLEASE INQUIRE AND WE WILL OFFER PRICING AND DELIVERY INFORMATION.

Shop Grade 9 hex bolts at Newport Fasteners. Find high-quality bolts online for your projects. Wide selection and fast shipping available.